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For the Inventor, By the Inventor

Syracuse, NY, United States of America

Crucible Materials Corporation


USPTO Granted Patents = 72



Trademarks = 32

Forward Citations = 648

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64 inventors (with patents filed for the assignee):

goldMedal Kenneth E Pinnow (19 out of 23 patents)

silverMedal William Stasko (14 out of 14 patents)

bronzeMedal Edward J Dulis (8 out of 8 patents)

4.  John J Eckenrod (7 out of 8 patents)

5.  Bao-Min Ma (7 out of 7 patents)

6.  Geoffrey O Rhodes (6 out of 7 patents)

7.  Frank J Rizzo (6 out of 11 patents)

8.  Floyd E Camp (6 out of 9 patents)

9.  Andrew S Kim (6 out of 7 patents)

10.  Carl J Dorsch (6 out of 6 patents)

11.  Kalathur S Narasimhan (5 out of 5 patents)

12.  Charles F Yolton (5 out of 9 patents)

13.  Kalatur S Narasimhan (5 out of 5 patents)

14.  Walter T Haswell, Jr (4 out of 6 patents)

15.  John J Hauser (4 out of 4 patents)


Core Competencies:
Cold-Work Tool Steel
Corrosion Resistant Alloys
Powder Metallurgy
Austenitic Stainless Steel
High-Speed Steel
RE-Fe-B Magnets
Titanium-Based Materials
Permanent Magnet Alloys
Maraging Steel
Welded Tubing
Rare Earth Magnets
High Vanadium Tool Steel

72 patents:

1. 7615123 - Cold-work tool steel article (2009-11-10),
2. 7288157 - Corrosion and wear resistant alloy (2007-10-30),
3. 6773824 - Clad power metallurgy article and method for producing the same (2004-08-10),
4. 6623690 - Clad power metallurgy article and method for producing the same (2003-09-23),
5. 6475263 - Silicon aluminum alloy of prealloyed powder and method of manufacture (2002-11-05),
6. 6419768 - Method for producing welded tubing having a uniform microstructure (2002-07-16),
7. 6228445 - Austenitic stainless steel article having a passivated surface layer (2001-05-08),
8. 6099796 - Method for compacting high alloy steel particles (2000-08-08),
9. 6077476 - Autoclave operating method (2000-06-20),
10. 6057045 - High-speed steel article (2000-05-02),
11. 5989490 - Wear resistant, powder metallurgy cold work tool steel articles having (1999-11-23),
12. 5976459 - Method for compacting high alloy tool steel particles (1999-11-02),
13. 5936169 - Corrosion resistant, high vanadium, powder metallurgy tool steel (1999-08-10),
14. 5901337 - Method for vacuum loading (1999-05-04),
15. 5900560 - Corrosion resistant, high vanadium, powder metallurgy tool steel (1999-05-04),
Crucible Materials Corporation is a leading manufacturer of specialty alloys and advanced materials. With over 50 years of experience, we specialize in producing high-performance materials for various industries including aerospace, automotive, defense, and energy. Our products are known for their exceptional quality, reliability, and innovative designs. Visit our website to learn more about our comprehensive range of alloys and materials and how they can meet your specific requirements.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

72 Patents

#5 in Syracuse, NY

#273 in New York

#4,874 in US

#9,936 in the World

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Syracuse, NY, United States of America

Crucible Materials Corporation

Forward Citations = 648

64 inventors:

goldMedal Kenneth E Pinnow (19 out of 23 patents)

silverMedal William Stasko (14 out of 14 patents)

bronzeMedal Edward J Dulis (8 out of 8 patents)

4.  John J Eckenrod (7 out of 8 patents)

5.  Bao-Min Ma (7 out of 7 patents)

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